Which industrial facility is most likely to produce sludge and heavy-metal wastes?

a. a steel-smelting facility

b. a leather tannery

c. a nuclear power plant

d. a medical center

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.